Mike Davis wrote: > Lux, James P wrote: >> >> On 1/19/09 11:14 PM, "Jon Aquilina" <eagles051...@gmail.com> wrote: >> >> >>> in all honesty is there a need really to replace the cluster. why not >>> just add >>> onto it? >>> >>> >> >> 1) If all the processors work at the same speed, it's "easier" to >> distribute >> work among them, especially if there are synchronization steps >> periodically, >> where all the work quanta need to be aligned and redistributed for the >> next >> step. >> >> 2) Newer machines do more computing/kWh of electricity, in general, so it >> reduces operating costs. >> > > Another reason to replace machines is upkeep and staff time. Older > machines fail more often and require more attention than newer ones.
Generally, yes, that is the conventional wisdom. However, sometimes better the devil you know... -- Geoffrey D. Jacobs _______________________________________________ Beowulf mailing list, Beowulf@beowulf.org To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
